Jennifer Duke, Ph.D., senior research public health analyst at RTI International, co-authored a recent study published in Pediatrics that found TV advertising for e-cigarettes has increased two-fold for youth and three-fold for young adults in the U.S. in the past two years. She can comment on youth and young adult exposure to TV advertising for e-cigarettes.

Jonathan Thornburg, Ph.D., senior research engineer and program manager at RTI International, can comment on the particles emitted by e-cigarettes and how it affects a teen's health. He is part of a research team that is studying the particles in e-cigarette vapors.

Annice Kim, Ph.D., senior social scientist at RTI International, can comment on e-cigarette advertising. She recently co-authored a separate study, published in the April issue of American Journal of Preventive Medicine, that found ad expenditures tripled from 2011 to 2012.